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Choosing a File Format

Advantage Concepts

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Xbase File Format

Sharing Data with Non-Advantage Applications

Prefer to Use the Record Deletion Status as a Filter

Prefer Traditional Xbase Unique Index Behavior

Advantage Proprietary File Format

Long Field Names and Long Index Names

More Characters in Field Names and Index Names

Additional Field Data Types

True Unique Indexes for Primary Key Support

Deleted Records are Invisible and Automatically Reused

File Size Support Greater Than 4 Gigabytes

Data Type Independent Expression Concatenation Operator

Better Performance for Certain Operations

More Suited for Future Enhancements

Support for NULL Values